package site.yunnong.atvris.security.component;

import com.alibaba.fastjson.JSON;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import site.yunnong.atvris.common.api.ResultCodeEnum;
import site.yunnong.atvris.common.api.ResultVO;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 当未登录或者token失效访问接口时，返回自定义的json结果
 * @author JinghaoZhang
 * @date 2021年-04月-08日
 */
public class RestAuthenticationEntryPoint implements AuthenticationEntryPoint {
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Cache-Control","no-cache");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().println(JSON.toJSONString(new ResultVO<>().fail(ResultCodeEnum.ERROR_UNAUTHENTICATED, ResultCodeEnum.ERROR_UNAUTHENTICATED.getMessage())));
        response.getWriter().flush();
    }
}
